html,body {
    margin: 0;
    background: #fff url('../../images/eda55df25f8dda7e115aa3ca1d5053.jpg') no-repeat top fixed;
}
section.banner-section {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    margin: 100px auto 50px;
    background: none;
    transition: all .3s linear;
}
section.banner-section div.banner-holder {
    overflow: hidden;
    position: relative;
    height: 400px;
    width: 760px;
    -moz-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*firefox*/
    -webkit-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*webkit*/
    box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*opera或ie9*/
}
section.banner-section div.banner-nav{
    width: 215px;
    height: 400px;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px;
    background: #2b333b;
    position: relative;
    z-index: 2;
    padding-top: 12px;
    -moz-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*firefox*/
    -webkit-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*webkit*/
    box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*opera或ie9*/
}
section.banner-section div.banner-nav div.item,section.banner-section div.banner-nav div.directionitem {
    height: 75px;
    line-height: 75px;
    font-size: 14px;
    padding-left: 12px;
    position: relative;
}
section.banner-section div.banner-nav div.item>a,section.banner-section div.banner-nav div.directionitem>a{
    display: block;
    color: rgba(255,255,255,.6);
    padding: 0 16px;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    height: 75px;
    transition: all .1s;
}
section.banner-section div.banner-nav div.directionitem>a.direction{
    color: #fff;
}

section.banner-section div.banner-nav div.js-menu-item-on a {
    color: #fff;
    background-color: rgba(255,255,255,.3);
}
section.banner-section div.banner-nav div.item>a.direction span{
}
section.banner-section div.banner-nav div.item span.group{
    font-size: 12px;
}
section.banner-section div.banner-nav div.item i.icon-chevron-right{
    position: absolute;
    right: 16px;
    top: 31px;
    color: rgba(255,255,255,.5);
    font-size: 16px;
}
section.banner-section div.banner-holder a.banner-pic {
    transition: all .4s ease-out;
    opacity: 0;
    position: absolute;
    pointer-events: none;
    width: 100%;
    height: 400px;
    display: block;
    background-size: contain;
}
section.banner-section div.banner-btn-holder {
    display: flex;
    height: 400px;
    width: 198px;
    flex-direction: column;
    justify-content: space-between;

}
section.banner-section div.banner-holder div.timer{
    position:absolute;
    z-index:1;
    left:0;
    bottom:0;
    height:4px;
    width:0;
    background:#000;
    filter:alpha(opacity=40);
    opacity:0.4;
    font-size:0;
    overflow:hidden;
}
section.banner-section div.banner-btn-holder ul{
    display: flex;
    height: 400px;
    width: 198px;
    flex-direction: column;
    justify-content: space-between;
}
section.banner-section div.banner-btn-holder ul li {
    display: block;
    width: 195px;
    height: 90px;
    cursor: pointer;
    transition: all .2s ease-out;
    -moz-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*firefox*/
    -webkit-box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*webkit*/
    box-shadow:0 12px 24px 0 rgba(7,17,27,.2);/*opera或ie9*/
}
section.banner-section div.banner-btn-holder ul li.active {
    box-shadow: inset 0 0 0 6px hsla(0,0%,100%,.8), 0 2px 6px rgba(81,88,101,.25);
}
section.banner-section div.banner-holder a.banner-pic.active {
    opacity: 1;
    pointer-events: auto;
}
section.banner-section div.banner-btn-holder ul li .banner-btn.active {
    box-shadow: inset 0 0 0 6px hsla(0,0%,100%,.8), 0 2px 6px rgba(81,88,101,.25);
}
section.banner-section div.banner-btn-holder ul li.banner-btn-child1{background-image: url("../../images/1-chunjie-btn8b524ea4884511cf20f7b2be4d1db56b.png")}
section.banner-section div.banner-btn-holder ul li.banner-btn-child2{background-image: url("../../images/2-btn5ce6a68c594dfdcc6bbcfd3751cee56a.jpg")}
section.banner-section div.banner-btn-holder ul li.banner-btn-child3{background-image: url("../../images/3-btn57ad6187b71267ef3410b6367898a415.jpg")}
section.banner-section div.banner-btn-holder ul li.banner-btn-child4{background-image: url("../../images/4-btn819fd7c550aabdade1415b5fef47a9fb.jpg")}
.p-bottom60{
    padding-bottom: 60px;
}


.menuwrap, .submenu {
    position: absolute;
    top: 0;
    height: 400px;
}
.submenu {
    background: #F8FAFC;
    left: 216px;
    width: 775px;
    z-index: 581;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,.1);
}
.submenu .innerBox {
    background-color: #fff;
    padding: 12px 48px 32px;
    position: relative;
    min-height: 150px;
    overflow: hidden;
}
.menuContent, .submenu, .submenu .subinnerBox {
    box-sizing: border-box;
}
.submenu .subinnerBox {
    width: 100%;
    overflow: hidden;
}
.submenu .banner-line {
    position: relative;
    height: 1px;
    margin: 35px 0 23px;
    padding-left: 30px;
    background-color: rgba(53, 124, 194, 0.1);
}
.l {
    float: left;
}

.bold {
    font-weight: 700!important;
}
.mr10 {
    margin-right: 10px!important;
}
.cates-box .small-title {
    line-height: 28px;
    color: #4d555d;
}
.submenu .banner-line span {
    position: absolute;
    top: -12px;
    left: 0;
    width: 45px;
    text-align: center;
    font-size: 14px;
    color: #07111B;
    line-height: 24px;
    background-color: #fff;
}
.submenu .tag-box{
    line-height: 40px;
}
.submenu .tag-box a {
    font-size: 12px;
    color: #4D555D;
    line-height: 24px;
    margin-right: 24px;
    padding: 3px 10px;
}
.submenu .tag-box a:hover{
    color: #e996a2;
}
.recomment-box{
    margin: 10px 48px;
    overflow: hidden;
}
.recomment-box .banner-course-card {
    width: 312px;
    height: 60px;
    margin: 23px 26px 15px 0;
}
.recomment-box a {
    display: block;
    width: 100%;
    height: 100%;
}
.recomment-box .banner-course-card img {
    width: 64px;
    height: 42px;
    border-radius: 4px;
    background-color: #ccc;
}
.recomment-box .banner-course-card .course-card {
    margin-left: 16px;
}
.recomment-box .banner-course-card .course-card-name {
    width: 232px;
    font-size: 12px;
    color: #07111B;
    line-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.recomment-box .banner-course-card .course-card-name:hover{
    color: #e996a2;
}
.recomment-box .banner-course-card .course-card-info, .recomment-box .banner-course-card .course-card-price {
    font-size: 12px;
    color: #4D555D;
    line-height: 20px;
}
.recomment-box .banner-course-card .course-card-info span {
    margin-right: 12px;
}
i.icon-user{
    padding-right: 5px;
}
.hide{display: none}
